Disease

What Is Disease

Visit the University of Nebraska-Lincoln Plant Pathology site for more basic information on plant disease. http://plantpath.unl.edu/

For more in depth information on fungi and bacteria, refer to the University of Massachusetts Web site at http://bcrc.bio.umass.edu/courses/fall98/micbio/micbio104/

Factors Necessary for Disease

The basic principles of plant disease are outlined on the University of Massachusetts site.
http://bcrc.bio.umass.edu/courses/fall98/micbio/micbio104/MICBIO104intro_diag.htm

Diagnosis

Refer to the American Phytopathological Society’s Illustrated Glossary of Plant Pathology at: http://www.apsnet.org/Education/IllustratedGlossary/default.htm

For diagnosis of plant disease and insect infestation you can contact the University of Illinois Plant Clinic, open May – mid September each year at 217-333-0519 or visit the web site at http://plantclinic.cropsci.uiuc.edu/

For Reports on Plant Diseases (RPDs) – University of Illinois fact sheets discussing specific diseases, visit http://www.ag.uiuc.edu/~vista/pubs.html

Leaf Diseases

For more information on powdery mildew, refer to the Ohio State site.
http://ohioline.ag.ohio-state.edu/hyg-fact/3000/3047.html

This NebGuide describes anthracnose diseases in sycamore, ash, oak, maple and walnut trees and offers suggestions for control.
http://www.ianr.unl.edu/pubs/plantdisease/g1200.htm

The Ohioline site has further details on cedar rusts of ornamental plants.
http://ohioline.ag.ohio-state.edu/hyg-fact/3000/3055.html

For more pictures and a look at the pathogens lifecycle of Apple Scab go to the Ohio State site. http://ohioline.ag.ohio-state.edu/hyg-fact/3000/3003.html

For more information on Rhizosphaera Needlecast, go to the Ohio State web site.
http://ohioline.ag.ohio-state.edu/hyg-fact/3000/3059.html

The Pennsylvania State plant disease facts site has information on comparing Different needlecasts. http://www.ppath.cas.psu.edu/EXTENSION/PLANT_DISEASE/needlecast.html

Penn State has additional information on plant pathology at: http://www.ppath.cas.psu.edu/EXTENSION/PLANT_DISEASE/index.html

For a more in depth look at several common leaf spot diseases, check the Ohioline site.
http://ohioline.osu.edu/hyg-fact/3000/3044.html

Twig, Stem or Trunk Diseases

For a closer look at different types of cankers, go to the University of Illinois Extension site.
http://www.ipm.uiuc.edu/diseases/series600/rpd636/

Additional pictures and information on Cytospora canker of spruce are found at the Ohio State web site.
http://ohioline.ag.ohio-state.edu/hyg-fact/3000/3033.html

For information on Sphaeropsis, refer to the UIUC site on Sphaeropsis (Diplodia) Blight: http://www.urbanext.uiuc.edu/focus/diplodia.html

The Ohio State site has a good write-up on the twig blights of juniper.
http://ohioline.ag.ohio-state.edu/hyg-fact/3000/3056.html

More detailed information on fireblight can be viewed at the University of Nebraska Extension site.
http://www.ianr.unl.edu/pubs/PlantDisease/g1120.htm

Vascular Diseases

Verticillium wilt is discussed in more detail at the University of Illinois Plant Pathology site.
http://www.urbanext.uiuc.edu/focus/verticillium.html

Glossary

For an excellent illustrated glossary of plant pathology terms, refer to
American Phytopathological Society’s website.
http://www.apsnet.org/Education/IllustratedGlossary/default.htm

Insects

Basic Course Links

The basic Entomology course at Purdue has sections on classification of insects and characteristics plus much more. Visit the web site at:
http://www.entm.purdue.edu/Entomology/research/cs/

Visit the North Carolina State basic entomology course at-
http://www.cals.ncsu.edu/course/ent425/index.html

The Entomology course for North Carolina Master Gardeners is a good resource:
http://ipm.ncsu.edu/ornamentals/MasterGardener/

Flower Pests

• North Carolina State maintains a web site of insect pests. Insect fact sheets and photos are classified by plant category.
  http://www.ces.ncsu.edu/depts/ent/notes/Urban/index.htm
• Check out the North Carolina insect photo gallery for pictures of insects. The insects are shown alphabetically by common name.
  http://ipm.ncsu.edu/current_ipm/otimages.html
• The "Master Gardener Research Program" page by Purdue University and the Illinois Natural History Survey contains information and photos on natural enemies; vegetable, landscape and turf pests. www.entm.purdue.edu/Entomology/research/cs/mg/mglink.html
  These sites provide supplementary information for all of the insect groups discussed in this unit.

Integrated Pest Management

Related IPM OnLine Homestudy Courses

What is IPM?
IPM for Cockroaches
IPM for Ants/Termites
Turfgrass IPM
Minimizing Pests in the Garden
Managing Weeds in the Home Garden
Resistance of Woody Ornamental Plants to Deer Damage

Integrated Pest Management

• The University of Nebraska-Lincoln online class "Applying Pesticides Correctly" has a discussion section and study questions about Principles of Pest Control.
  http://pested.unl.edu/pat.htm

Labels

For further information on pesticide labels, link to the University of Nebraska class:
http://pested.unl.edu/pat2.htm

Human Pesticide Protection

"Harmful Effects and Emergency Response" from the University of Nebraska gives valuable information on pesticide exposure and emergency procedures: http://pested.unl.edu/pat6.htm

Understanding Pesticides

For information on different types of pesticide application equipment and an explanation on how to calculate dilutions and quantities, check this site:
http://wlapwww.gov.bc.ca/epd/ipm/docs/envirowe/chap4.htm

For a look at friendly pesticides for home gardens link to the Colorado State site at: www.ext.colostate.edu/pubs/garden/02945.html

For further information on mixing, loading and application refer to the Nebraska IPM class at
http://pested.unl.edu/pat9.htm

ACORN (Alternative Control Outreach Research Network)

ACORN is a growing network of Master Gardeners, Extension Educators and University Researchers interested in reducing pesticide use in home gardens. Keep up on the latest developments in our ACORN project. Find Links about how to use and obtain the most effective alternatives to pesticides. http://www.agriculture.purdue.edu/acorn/

National Pesticide Information Center

Includes fact sheets about pesticides and pesticide related topics. Helpful to consumers making decisions about pesticide use. http://npic.orst.edu/

The BUG Review

For quick identification and information on the most common bugs attacking your Trees and Shrubs, Fruit and Vegetables, Lawns and Turf, Flowers, and Household Plants, see the Bug review.
http://www.urbanext.uiuc.edu/bugreview/index_location.html

Barley Straw Control for Algae in Ponds
See Attachment A for hot links and resources on Barley Straw for the Control of Algae in Ponds.

Attachment A

BARLEY STRAW CONTROL FOR ALGAE IN PONDS
SOURCES OF INFORMATION

UNIVERSITY INFORMATION AND RESEARCH

Barley Straw Control For Algae
http://www.btny.purdue.edu/Pubs/APM/APM-1-W.pdf

Integrated Pond Management for Maryland
http://www.agnr.umd.edu/MCE/Publications/Publication.cfm?ID=86

Controlling Pond Algae with Barley Straw, University of Nebraska
http://www.ppdl.purdue.edu/ppdl/ed_update/00/Ed_Update5-15.html

Barley Straw to Control Pond Algae (Hort Ideas)
http://www.ag.auburn.edu/landscape/STGOapril99.html#barley

Pond Algae Control With Barley Straw, Bryan Butler, Faculty Assistant, Carroll Cooperative Extension Service, University of Maryland Cooperative Extension Service
http://www.aquabotanic.com/barleyarticle.html

GROWING BARLEY

Refer to Illinois Agricultural Pest Management Handbook for weed, insect and disease control
http://www.ipm.uiuc.edu/pubs/iapmh/index.html

Growing Barley
http://www.siu.edu/~ebl/leaflets/barley.htm

Growing Barley – University of Missouri
http://muextension.missouri.edu/xplor/agguides/crops/g04312.htm

Small Grain Variety Trails – 2001, University of Wisconsin
http://soybean.agronomy.wisc.edu/wwvar/ww_trial_results.htm

Barley Diseases
http://www.uidaho.edu/ag/plantdisease/barley.htm

Nutrient Deficiencies of Small Grains
http://www.extension.umn.edu/distribution/cropsystems/components/6967_02e.html

Utilizing New Barley Cultivar in Dairy Calf Rations
http://www.smallgrains.org/Techfile/utilizing.htm

Small Grains – University of California
http://agric.ucdavis.edu/crops/cereals/cereal.htm

ORGANIZATIONS AND ASSOCIATIONS

Small Grains
http://www.smallgrains.org/

Barley Newsletter
http://grain.jouy.inra.fr/ggpages/BarleyNewsletter/

Barley Crop Report
http://www.ambainc.org/pub/weather/weather.htm

Barley Food Council
http://www.barleyfoods.org/

American Malt Barley Association
http://www.AMBAinc.org/

The Oregon Barley Project
http://barleyworld.org/index.php

BUSINESS INFORMATION

Barley Straw for Ponds
http://www.bestfish.com/barlybal.html

Algae solutions
http://www.pondsolutions.com/algae-control-products.htm

Barley pouches
http://www.ntlabs.co.uk/product_details.php?product_id=56

SOURCE

• Not a complete listing of all companies, websites or references
• No endorsement implied
  Barley straw information compiled by Ellen Phillips Crop Systems Educator, Countryside Extension Center
  6438 Joliet Rd., Countryside, IL 60525
  708-352-0109
  phillipse@mail.aces.uiuc.edu